1Q4N
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1RP8
| Crystal structure of barley alpha-amylase isozyme 1 (amy1) inactive mutant d180a in complex with maltoheptaose | Descriptor: | Alpha-amylase type 1 isozyme, CALCIUM ION, alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, ... | Authors: | Robert, X, Haser, R, Aghajari, N. | Deposit date: | 2003-12-03 | Release date: | 2005-06-07 | Last modified: | 2023-08-23 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Oligosaccharide Binding to Barley {alpha}-Amylase 1 J.Biol.Chem., 280, 2005
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1SMA
| CRYSTAL STRUCTURE OF A MALTOGENIC AMYLASE | Descriptor: | MALTOGENIC AMYLASE | Authors: | Kim, J.S, Cha, S.S, Oh, B.H. | Deposit date: | 1999-04-21 | Release date: | 2000-04-26 | Last modified: | 2023-12-27 | Method: | X-RAY DIFFRACTION (2.8 Å) | Cite: | Crystal structure of a maltogenic amylase provides insights into a catalytic versatility. J.Biol.Chem., 274, 1999
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1SMD
| HUMAN SALIVARY AMYLASE | Descriptor: | AMYLASE, CALCIUM ION, CHLORIDE ION | Authors: | Ramasubbu, N. | Deposit date: | 1996-01-24 | Release date: | 1996-07-11 | Last modified: | 2019-12-25 | Method: | X-RAY DIFFRACTION (1.6 Å) | Cite: | Structure of human salivary alpha-amylase at 1.6 A resolution: implications for its role in the oral cavity. Acta Crystallogr.,Sect.D, 52, 1996
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1TCM
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1QI5
| MUTANT (D294N) MALTOTETRAOSE-FORMING EXO-AMYLASE IN COMPLEX WITH MALTOTETRAOSE | Descriptor: | CALCIUM ION, PROTEIN (EXO-MALTOTETRAOHYDROLASE), alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | Authors: | Hasegawa, K, Kubota, M, Matsuura, Y. | Deposit date: | 1999-06-03 | Release date: | 1999-11-24 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Roles of catalytic residues in alpha-amylases as evidenced by the structures of the product-complexed mutants of a maltotetraose-forming amylase. Protein Eng., 12, 1999
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1RP9
| Crystal structure of barley alpha-amylase isozyme 1 (amy1) inactive mutant d180a in complex with acarbose | Descriptor: | 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 4,6-dideoxy-4-{[(1S,5R,6S)-3-formyl-5,6-dihydroxy-4-oxocyclohex-2-en-1-yl]amino}-alpha-D-xylo-hex-5-enopyranose-(1-4)-beta-D-glucopyranose-(1-4)-alpha-D-glucopyranose, Alpha-amylase type 1 isozyme, ... | Authors: | Robert, X, Haser, R, Aghajari, N. | Deposit date: | 2003-12-03 | Release date: | 2005-06-07 | Last modified: | 2023-08-23 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Oligosaccharide Binding to Barley {alpha}-Amylase 1 J.Biol.Chem., 280, 2005
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1PIF
| PIG ALPHA-AMYLASE | Descriptor: | ALPHA-AMYLASE, CALCIUM ION, CHLORIDE ION | Authors: | Machius, M, Vertesy, L, Huber, R, Wiegand, G. | Deposit date: | 1996-06-15 | Release date: | 1996-12-07 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Carbohydrate and protein-based inhibitors of porcine pancreatic alpha-amylase: structure analysis and comparison of their binding characteristics. J.Mol.Biol., 260, 1996
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1PIG
| PIG PANCREATIC ALPHA-AMYLASE COMPLEXED WITH THE OLIGOSACCHARIDE V-1532 | Descriptor: | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose-(1-4)-beta-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, ... | Authors: | Machius, M, Vertesy, L, Huber, R, Wiegand, G. | Deposit date: | 1996-06-15 | Release date: | 1996-12-07 | Last modified: | 2023-08-09 | Method: | X-RAY DIFFRACTION (2.2 Å) | Cite: | Carbohydrate and protein-based inhibitors of porcine pancreatic alpha-amylase: structure analysis and comparison of their binding characteristics. J.Mol.Biol., 260, 1996
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1PEZ
| Bacillus circulans strain 251 mutant A230V | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID, ACETIC ACID, ... | Authors: | Rozeboom, H.J, Dijkstra, B.W. | Deposit date: | 2003-05-23 | Release date: | 2003-10-28 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2.32 Å) | Cite: | Conversion of Cyclodextrin Glycosyltransferase into a Starch Hydrolase by Directed Evolution: The Role of Alanine 230 in Acceptor Subsite +1 Biochemistry, 42, 2003
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1PAM
| CYCLODEXTRIN GLUCANOTRANSFERASE | Descriptor: | CALCIUM ION, CYCLODEXTRIN GLUCANOTRANSFERASE | Authors: | Harata, K, Haga, K, Nakamura, A, Aoyagi, M, Yamane, K. | Deposit date: | 1996-07-08 | Release date: | 1997-01-11 | Last modified: | 2024-04-03 | Method: | X-RAY DIFFRACTION (1.8 Å) | Cite: | X-ray structure of cyclodextrin glucanotransferase from alkalophilic Bacillus sp. 1011. Comparison of two independent molecules at 1.8 A resolution. Acta Crystallogr.,Sect.D, 52, 1996
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1PJ9
| Bacillus circulans strain 251 loop mutant 183-195 | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, ACETIC ACID, CALCIUM ION, ... | Authors: | Rozeboom, H.J, Dijkstra, B.W. | Deposit date: | 2003-06-02 | Release date: | 2004-02-03 | Last modified: | 2023-08-16 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Improved thermostability of bacillus circulans cyclodextrin glycosyltransferase by the introduction of a salt bridge PROTEINS: STRUCT.,FUNCT.,GENET., 54, 2004
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3A6O
| Crystal structure of Thermoactinomyces vulgaris R-47 alpha-amylase 2/acarbose complex | Descriptor: | ACARBOSE DERIVED PENTASACCHARIDE, CALCIUM ION, Neopullulanase 2 | Authors: | Ohtaki, A, Mizuno, M, Tonozuka, T, Sakano, Y, Kamitori, S. | Deposit date: | 2009-09-07 | Release date: | 2009-09-22 | Last modified: | 2024-03-13 | Method: | X-RAY DIFFRACTION (2.8 Å) | Cite: | Complex structures of Thermoactinomyces vulgaris R-47 alpha-amylase 2 with acarbose and cyclodextrins demonstrate the multiple substrate recognition mechanism J.BIOL.CHEM., 279, 2004
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3BAJ
| Human Pancreatic Alpha-Amylase in Complex with Nitrate and Acarbose | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ACARBOSE DERIVED PENTASACCHARIDE, CALCIUM ION, ... | Authors: | Fredriksen, J.R, Maurus, R, Brayer, G.D. | Deposit date: | 2007-11-07 | Release date: | 2008-03-25 | Last modified: | 2023-08-30 | Method: | X-RAY DIFFRACTION (2.1 Å) | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity Biochemistry, 47, 2008
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3BCF
| Alpha-amylase B from Halothermothrix orenii | Descriptor: | Alpha amylase, catalytic region, CALCIUM ION, ... | Authors: | Tan, T.-C, Mijts, B.N, Swaminathan, K, Patel, B.K.C, Divne, C. | Deposit date: | 2007-11-12 | Release date: | 2008-04-22 | Last modified: | 2023-11-01 | Method: | X-RAY DIFFRACTION (2.3 Å) | Cite: | Crystal Structure of the Polyextremophilic alpha-Amylase AmyB from Halothermothrix orenii: Details of a Productive Enzyme-Substrate Complex and an N Domain with a Role in Binding Raw Starch J.Mol.Biol., 378, 2008
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3BSH
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3BSG
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3BLK
| Role of aromatic residues in starch binding | Descriptor: | 4-amino-4,6-dideoxy-alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose, 5-HYDROXYMETHYL-CHONDURITOL, Alpha-amylase 1, ... | Authors: | Ramasubbu, N. | Deposit date: | 2007-12-11 | Release date: | 2008-11-25 | Last modified: | 2023-08-30 | Method: | X-RAY DIFFRACTION (2 Å) | Cite: | Structure-function relationships in human salivary alpha-amylase: role of aromatic residues in a secondary binding site Biologia, 63, 2008
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3BMW
| Cyclodextrin glycosyl transferase from Thermoanerobacterium thermosulfurigenes EM1 mutant S77P complexed with a maltoheptaose inhibitor | Descriptor: | 6-AMINO-4-HYDROXYMETHYL-CYCLOHEX-4-ENE-1,2,3-TRIOL, CALCIUM ION, CHLORIDE ION, ... | Authors: | Rozeboom, H.J, van Oosterwijk, N, Dijkstra, B.W. | Deposit date: | 2007-12-13 | Release date: | 2008-05-27 | Last modified: | 2023-11-29 | Method: | X-RAY DIFFRACTION (1.6 Å) | Cite: | Elimination of competing hydrolysis and coupling side reactions of a cyclodextrin glucanotransferase by directed evolution. Biochem.J., 413, 2008
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3CGT
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3CZG
| Crystal Structure Analysis of Sucrose hydrolase (SUH)-glucose complex | Descriptor: | Sucrose hydrolase, alpha-D-glucopyranose | Authors: | Kim, M.I, Rhee, S. | Deposit date: | 2008-04-29 | Release date: | 2008-07-15 | Last modified: | 2020-07-29 | Method: | X-RAY DIFFRACTION (1.8 Å) | Cite: | Crystal structures and mutagenesis of sucrose hydrolase from Xanthomonas axonopodis pv. glycines: insight into the exclusively hydrolytic amylosucrase fold. J.Mol.Biol., 380, 2008
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3BAX
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3BAY
| N298S Variant of Human Pancreatic Alpha-Amylase in Complex with Nitrate and Acarbose | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose, ACARBOSE DERIVED PENTASACCHARIDE, CALCIUM ION, ... | Authors: | Fredriksen, J.R, Maurus, R, Brayer, G.D. | Deposit date: | 2007-11-08 | Release date: | 2008-03-25 | Last modified: | 2023-08-30 | Method: | X-RAY DIFFRACTION (1.99 Å) | Cite: | Alternative catalytic anions differentially modulate human alpha-amylase activity and specificity Biochemistry, 47, 2008
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3BCD
| Alpha-amylase B in complex with maltotetraose and alpha-cyclodextrin | Descriptor: | Alpha amylase, catalytic region, CALCIUM ION, ... | Authors: | Tan, T.-C, Mijts, B.N, Swaminathan, K, Patel, B.K.C, Divne, C. | Deposit date: | 2007-11-12 | Release date: | 2008-04-22 | Last modified: | 2023-11-01 | Method: | X-RAY DIFFRACTION (2.2 Å) | Cite: | Crystal Structure of the Polyextremophilic alpha-Amylase AmyB from Halothermothrix orenii: Details of a Productive Enzyme-Substrate Complex and an N Domain with a Role in Binding Raw Starch J.Mol.Biol., 378, 2008
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3CZE
| Crystal Structure Analysis of Sucrose hydrolase (SUH)- Tris complex | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, Sucrose hydrolase | Authors: | Kim, M.I, Rhee, S. | Deposit date: | 2008-04-29 | Release date: | 2008-07-15 | Last modified: | 2017-10-25 | Method: | X-RAY DIFFRACTION (1.9 Å) | Cite: | Crystal structures and mutagenesis of sucrose hydrolase from Xanthomonas axonopodis pv. glycines: insight into the exclusively hydrolytic amylosucrase fold. J.Mol.Biol., 380, 2008
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